Hi,
I'm using ClamAV 0.75.1 and I encounter one of the Oversized.zip issues. I've read a few threads about this issue and I've learned that maxcompressionratio could be 200 ~ 99.5% compression.
I have a zip file which reports a compression ratio of 466. Is this possible ?
bash-2.05b$ clamscan --debug VHS_Single_SpecialEdition.zip
LibClamAV debug: Loading databases from /var/lib/clamav
LibClamAV debug: Loading /var/lib/clamav/main.cvd
LibClamAV debug: /var/lib/clamav/main.cvd: CVD file detected
LibClamAV debug: in cli_cvdload()
LibClamAV debug: MD5(.tar.gz) = 65cfe3193203ba5ac9ef23de49ce7eba
LibClamAV debug: Decoded signature: 65cfe3193203ba5ac9ef23de49ce7eba
LibClamAV debug: Digital signature is correct.
LibClamAV debug: in cli_untgz()
LibClamAV debug: Unpacking /tmp/clamav-520ff652dbf5d1d5/COPYING
LibClamAV debug: Unpacking /tmp/clamav-520ff652dbf5d1d5/viruses.db
LibClamAV debug: Loading databases from /tmp/clamav-520ff652dbf5d1d5
LibClamAV debug: Loading /tmp/clamav-520ff652dbf5d1d5/viruses.db
LibClamAV debug: Initializing trie.
LibClamAV debug: Loading /var/lib/clamav/daily.cvd
LibClamAV debug: /var/lib/clamav/daily.cvd: CVD file detected
LibClamAV debug: in cli_cvdload()
LibClamAV debug: MD5(.tar.gz) = 13d5a99d7ef5a1ed695165e5ed8910a6
LibClamAV debug: Decoded signature: 13d5a99d7ef5a1ed695165e5ed8910a6
LibClamAV debug: Digital signature is correct.
LibClamAV debug: in cli_untgz()
LibClamAV debug: Unpacking /tmp/clamav-42e9e742ccf763e6/COPYING
LibClamAV debug: Unpacking /tmp/clamav-42e9e742ccf763e6/viruses.db2
LibClamAV debug: Loading databases from /tmp/clamav-42e9e742ccf763e6
LibClamAV debug: Loading /tmp/clamav-42e9e742ccf763e6/viruses.db2
LibClamAV debug: Not suported signature type detected at line 15. Skipping.
LibClamAV debug: Not suported signature type detected at line 318. Skipping.
LibClamAV debug: Recognized ZIP file
LibClamAV debug: Starting scanzip()
LibClamAV debug: Zip -> VHS Single Special.job/, compressed: 0, normal: 0, ratio: 0 (max: 200)
LibClamAV debug: Zip -> VHS Single Special.job/Fonts Folder/, compressed: 0, normal: 0, ratio: 0 (max: 200)
LibClamAV debug: Zip -> VHS Single Special.job/Fonts Folder/B Helvetica Bold, compressed: 32, normal: 15403, ratio: 466 (max: 200)
VHS_Single_SpecialEdition.zip: Oversized.Zip FOUND
Thank you!
Regards, Ovidiu
signature.asc
Description: OpenPGP digital signature
